Home / 1,216,037,408.48-1,678,134,096.48-659,120,832.80

Finding the Fourth Proportional to 1,216,037,408.48, 1,678,134,096.48 and 659,120,832.80

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Solution

The fourth proportional to 1,216,037,408.48, 1,678,134,096.48 and 659,120,832.80 is: 909,588,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,037,408.48 : 1,678,134,096.48 = 659,120,832.80 : x
  2. Step 2: Convert to fraction form
    1,216,037,408.48/1,678,134,096.48 = 659,120,832.80/x
  3. Step 3: Cross multiply
    1,216,037,408.48x = 1,678,134,096.48 × 659,120,832.80
  4. Step 4: Simplify right side
    1,216,037,408.48x = 1,106,093,143,221,973,120
  5. Step 5: Solve for x
    x = 1,106,093,143,221,973,120/1,216,037,408.48
  6. Step 6: Final answer
    x = 909,588,089.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.